2026-05-16_00000399|ligand|9YSH

Allosteric inhibitor of human DNA polymerase theta; X-ray diffraction 2.71Å
Protein #1 668 residues (97% resolved)

GASSSSESLSIIDVASDQNLFQTFIKEWRCKKRFSISLACEKIRSLTSSKTGFPIKGCDDTLVVGLAVCWGGRDAYYFSLQKESLDPSLTLKDRMWYLQSCLRKESDKECSVVIYDFIQSYKILLLSCGISLEQSYEDPKVACWLLDPDSQEPTLHSIVTSFLPHELPLLEGMETSQGIQSLGLNAGSEHSGRYRASVESILIFNSMNQLNSLLQKENLQDVFRKVEMPSQYCLALLELNGIGFSTAECESQKHIMQAKLDAIETQAYQLAGHSFSFTSSDDIAEVLFLELKLPPNRELGRQFSTSKDVLNKLKALHPLPGLILEWRRITNAITKVVFPLQREKCLNPFLGMERIYPVSQSHTATGRITFTEPNIQNVPRDFEIKMPTLADRGMPFSISMRHAFVPFPGGSILAADYSQLELRILAHLSHDRRLIQVLNTGADVFRSIAAEWKMIEPESVGDDLRQQAKQICYGIIYGMGAKSLGEQMGIKENDAACYIDSFKSRYTGINQFMTETVKNCKRDGFVQTILGRRRYLPGIKDNNPYRKAHAERQAINTIVQGSAADIVKIATVNIQKQLETFHSTFKSHGHREGMLQSDQTGGMFCPIRGGFFILQLHDELLYEVAEEDVVQVAQIVKNEMESAVKLSVKLKVKVKIGASWGELKDFDV

GASSSSESLSIIDVASDQNLFQTFIKEWRCKKRFSISLACEKIRSLTSSKTGFPIKGCDDTLVVGLAVCWGGRDAYYFSLQKESLDPSLTLKDRMWYLQSCLRKESDKECSVVIYDFIQSYKILLLSCGISLEQSYEDPKVACWLLDPDSQEPTLHSIVTSFLPHELPLLEGMETSQGIQSLGLNAGSEHSGRYRASVESILIFNSMNQLNSLLQKENLQDVFRKVEMPSQYCLALLELNGIGFSTAECESQKHIMQAKLDAIETQAYQLAGHSFSFTSSDDIAEVLFLELKLPPNRELGRQFSTSKDVLNKLKALHPLPGLILEWRRITNAITKVVFPLQREKCLNPFLGMERIYPVSQSHTATGRITFTEPNIQNVPRDFEIKMPTLADRGMPFSISMRHAFVPFPGGSILAADYSQLELRILAHLSHDRRLIQVLNTGADVFRSIAAEWKMIEPESVGDDLRQQAKQICYGIIYGMGAKSLGEQMGIKENDAACYIDSFKSRYTGINQFMTETVKNCKRDGFVQTILGRRRYLPGIKDNNPYRKAHAERQAINTIVQGSAADIVKIATVNIQKQLETFHSTFKSHGHREGMLQSDQTGGMFCPIRGGFFILQLHDELLYEVAEEDVVQVAQIVKNEMESAVKLSVKLKVKVKIGASWGELKDFDV
DNA #2 17 bases

(DC)(DG)(DT)(DC)(DC)(DA)(DA)(DT)(DG)(DA)(DC)(DA)(DG)(DC)(DC)(DG)(DC)

CGTCCAATGACAGCCGC
DNA #3 13 bases

(DG)(DC)(DG)(DG)(DC)(DT)(DG)(DT)(DC)(DA)(DT)(DT)(DG)

GCGGCTGTCATTG
Non polymer #4 A1CZX

InChI=1S/C26H19F6N3O2/c27-25(28,29)20-11-10-18(22(16-20)26(30,31)32)15-23(36)35(21-8-2-1-3-9-21)14-5-4-13-34-24(37)19-7-6-12-33-17-19/h1-3,6-12,16-17H,13-15H2,(H,34,37)

c1ccc(cc1)N(CC#CCNC(=O)c2cccnc2)C(=O)Cc3ccc(cc3C(F)(F)F)C(F)(F)F
Non polymer #5 DG3

InChI=1S/C10H16N5O12P3/c11-10-13-8-7(9(16)14-10)12-4-15(8)6-2-1-5(25-6)3-24-29(20,21)27-30(22,23)26-28(17,18)19/h4-6H,1-3H2,(H,20,21)(H,22,23)(H2,17,18,19)(H3,11,13,14,16)/t5-,6+/m0/s1

c1nc2c(n1[C@H]3CC[C@H](O3)CO[P@@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)N=C(NC2=O)N
Non polymer #6 MG

InChI=1S/Mg/q+2

[Mg+2]
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Reference